Phillips, E. D., Butts, T., & Shaughnessy, M. (1994). Intermediate algebra: Applications and problem solving (2nd ed.). HarperCollins College Publishers.
Chicago-Zitierstil (17. Ausg.)Phillips, Elizabeth Difanis, Thomas Butts, und Michael Shaughnessy. Intermediate Algebra: Applications and Problem Solving. 2nd ed. New York: HarperCollins College Publishers, 1994.
MLA-Zitierstil (9. Ausg.)Phillips, Elizabeth Difanis, et al. Intermediate Algebra: Applications and Problem Solving. 2nd ed. HarperCollins College Publishers, 1994.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.